Use const to signal members that will not change

5 files changed, 5 insertions, 6 deletions

diff --git a/searchlib/src/vespa/searchlib/memoryindex/field_index_base.h b/searchlib/src/vespa/searchlib/memoryindex/field_index_base.h
index 93fe77ba50b..2d6d367af3b 100644
--- a/searchlib/src/vespa/searchlib/memoryindex/field_index_base.h
+++ b/searchlib/src/vespa/searchlib/memoryindex/field_index_base.h
@@ -78,7 +78,7 @@ protected:
     GenerationHandler       _generationHandler;
     DictionaryTree          _dict;
     FeatureStore            _featureStore;
-    uint32_t                _fieldId;
+    const uint32_t          _fieldId;
     FieldIndexRemover       _remover;
     std::unique_ptr<IOrderedFieldIndexInserter> _inserter;
     index::FieldLengthCalculator _calculator;
diff --git a/searchlib/src/vespa/searchlib/memoryindex/field_index_collection.h b/searchlib/src/vespa/searchlib/memoryindex/field_index_collection.h
index 7a65195e843..a9f597e6296 100644
--- a/searchlib/src/vespa/searchlib/memoryindex/field_index_collection.h
+++ b/searchlib/src/vespa/searchlib/memoryindex/field_index_collection.h
@@ -28,7 +28,7 @@ private:
     using GenerationHandler = vespalib::GenerationHandler;
 
     std::vector<std::unique_ptr<IFieldIndex>> _fieldIndexes;
-    uint32_t                _numFields;
+    const uint32_t                _numFields;
 
 public:
     FieldIndexCollection(const index::Schema& schema, const index::IFieldLengthInspector& inspector);
diff --git a/searchlib/src/vespa/searchlib/memoryindex/field_inverter.h b/searchlib/src/vespa/searchlib/memoryindex/field_inverter.h
index e68f664603e..7995dc56de8 100644
--- a/searchlib/src/vespa/searchlib/memoryindex/field_inverter.h
+++ b/searchlib/src/vespa/searchlib/memoryindex/field_inverter.h
@@ -97,7 +97,7 @@ private:
 
     class ElemInfo {
     public:
-        int32_t _weight;
+        const int32_t _weight;
         uint32_t _len;
         uint32_t _field_length;
 
@@ -161,7 +161,7 @@ private:
 
     using UInt32Vector = std::vector<uint32_t, vespalib::allocator_large<uint32_t>>;
     // Current field state.
-    uint32_t                       _fieldId;   // current field id
+    const uint32_t                 _fieldId;   // current field id
     uint32_t                       _elem;      // current element
     uint32_t                       _wpos;      // current word pos
     uint32_t                       _docId;
diff --git a/searchlib/src/vespa/searchlib/memoryindex/invert_task.h b/searchlib/src/vespa/searchlib/memoryindex/invert_task.h
index b898deb5c16..a351fd2a10f 100644
--- a/searchlib/src/vespa/searchlib/memoryindex/invert_task.h
+++ b/searchlib/src/vespa/searchlib/memoryindex/invert_task.h
@@ -27,7 +27,7 @@ class InvertTask : public vespalib::Executor::Task
     const std::vector<std::unique_ptr<FieldInverter>>&    _inverters;
     const std::vector<std::unique_ptr<UrlFieldInverter>>& _uri_inverters;
     const document::Document&                             _doc;
-    uint32_t                                              _lid;
+    const uint32_t                                        _lid;
     std::remove_reference_t<OnWriteDoneType>              _on_write_done;
 public:
     InvertTask(const DocumentInverterContext& inv_context, const InvertContext& context, const std::vector<std::unique_ptr<FieldInverter>>& inverters,  const std::vector<std::unique_ptr<UrlFieldInverter>>& uri_inverters, uint32_t lid, const document::Document& doc, OnWriteDoneType on_write_done);
diff --git a/searchlib/src/vespa/searchlib/memoryindex/posting_list_entry.h b/searchlib/src/vespa/searchlib/memoryindex/posting_list_entry.h
index ef0866e957b..a8cc7fce1f2 100644
--- a/searchlib/src/vespa/searchlib/memoryindex/posting_list_entry.h
+++ b/searchlib/src/vespa/searchlib/memoryindex/posting_list_entry.h
@@ -13,7 +13,6 @@ class InterleavedFeatures {
 protected:
     uint16_t _num_occs;
     uint16_t _field_length;
-
 public:
     InterleavedFeatures()
         : _num_occs(0),